function submit() {
        var path = $("#path").val();    
        path=path.replace(/\\/g,"/");
        var disc = $("#disc").val();    
        // 判断
        if (path.length == 0) {
        	alert("PDF文件夹");
            return;
        }
        if (disc.length == 0) {
        	alert("保存excel文件夹");
            return;
        }
        window.location.href='../treeTechnology/obtain?path='+path+'&disc='+disc
    }